MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO abuse tactic. The primary URL, http://juliejesternewman.com/uploads/1/3/1/3/131384260/131384260.html#charolas+para+meseros+en+monterrey, is presented as the document's content, likely to attract search engine traffic. The ML classifier strongly indicated maliciousness, and the sheer volume of outbound links supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://juliejesternewman.com/uploads/1/3/1/3/131384260/131384260.html#charolas+para+meseros+en+monterrey
- http://concerttypething.com/uploads/1/3/0/6/130621596/2157e.pdf
- http://leahnpp.com/uploads/1/3/0/4/130491418/xibul.pdf
- http://elmoshade.com/uploads/1/3/0/6/130621406/2959709e54f80.pdf
- http://best-edu-online.com/uploads/1/3/0/8/130874413/6296991.pdf
- http://219perch.com/uploads/1/3/0/7/130775451/zoredatefawi_pavolenuxesewox_vixejag_kaguda.pdf
- http://cplions.com/uploads/1/3/0/3/130313671/xamidogedikatenuwu.pdf
- http://homeeducationcreations.com/uploads/1/3/0/6/130604716/88ea1853c93.pdf
- http://ccar-recoverycoach.com/uploads/1/3/0/5/130590538/5871301.pdf
- http://michaelsilveyiptec.com/uploads/1/3/0/5/130588951/9462052.pdf
- http://markholtschlag.com/uploads/1/3/0/5/130588258/d8b27c35491.pdf
- http://cci-forum.com/uploads/1/3/1/4/131408298/naxub.pdf
- http://webdisk.canecorsocarolinas.org/uploads/1/3/0/2/130291766/punimegamez.pdf
- http://adamplunkett.com/uploads/1/3/0/4/130436173/b4b8120018.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicense
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000070c4.bina151287eaa6fe24a3938295f3c8584bf9206863084de0c9238d6e8c2b28e3710 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70C4 | 10620 bytes |
font_01_sfnt_off0000960c.bind907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x960C | 2616 bytes |
font_02_sfnt_off00009f40.bin779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F40 | 16036 bytes |
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